/* ==========================================================================
   Samsung TV Repair Service - Minimal Conversion-Focused Design System
   Exact Reference Layout Match • Samsung Logo SVG • Pure Simplicity
   ========================================================================== */

:root {
  /* Brand Colors */
  --samsung-navy: #072a7c;
  --samsung-navy-dark: #051438;
  --cta-blue: #1d628b;          /* Reference steel blue call button */
  --cta-blue-hover: #154c6d;
  --cta-green: #48a853;         /* Reference WhatsApp green button */
  --cta-green-hover: #3d8f46;
  --sticky-green: #009900;       /* Reference sticky call bar */
  --sticky-green-hover: #008000;

  /* Neutrals */
  --bg-white: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-banner: #f8fafc;
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;

  /* Typography Colors */
  --text-title: #1e293b;
  --text-body: #475569;
  --text-muted: #64748b;
  --text-callout: #1d628b;

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Max Widths */
  --max-width: 1060px;
  --max-text: 520px;
}

/* --------------------------------------------------------------------------
   Reset & Foundation
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-body);
  background-color: var(--bg-white);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-white);
  color: var(--text-body);
  overflow-x: hidden;
  padding-bottom: 64px; /* Space for green sticky call bar on mobile */
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.15s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   Container
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 18px;
  padding-right: 18px;
}

@media (min-width: 768px) {
  .container {
    padding-left: 24px;
    padding-right: 24px;
  }
}

/* --------------------------------------------------------------------------
   Minimal Navbar (Samsung Logo SVG + Hamburger Only)
   -------------------------------------------------------------------------- */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  position: relative;
  z-index: 100;
}

.header-container {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
}

.nav-samsung-logo {
  display: block;
  max-width: 130px;
  height: auto;
  object-fit: contain;
}

@media (min-width: 768px) {
  .nav-samsung-logo {
    max-width: 150px;
  }
}

.nav-toggle {
  background: transparent;
  border: none;
  padding: 8px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 36px;
  height: 32px;
  cursor: pointer;
}

.hamburger-bar {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: #1e293b;
  border-radius: 2px;
  transition: all 0.2s ease;
}

/* Dropdown Menu */
.nav-dropdown {
  display: none;
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.nav-dropdown.open {
  display: block;
}

.nav-dropdown-inner {
  padding: 12px 0 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: #1e293b;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
}

.nav-link:hover {
  color: var(--cta-blue);
}

.nav-link-call {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--cta-blue);
  padding: 8px 0;
}

/* --------------------------------------------------------------------------
   1. Hero Section (Matching Reference Screenshot Layout)
   -------------------------------------------------------------------------- */
.hero-section {
  padding: 20px 0 32px;
  background: #ffffff;
}

@media (min-width: 768px) {
  .hero-section {
    padding: 34px 0 42px;
  }
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Hero Visual Banner with Samsung Logo SVG */
.hero-image-banner {
  width: 100%;
  max-width: 520px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 36px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.hero-samsung-logo-img {
  display: block;
  max-width: 250px;
  width: 75%;
  height: auto;
  object-fit: contain;
}

@media (min-width: 768px) {
  .hero-image-banner {
    padding: 48px 24px;
    margin-bottom: 26px;
  }
  .hero-samsung-logo-img {
    max-width: 300px;
  }
}

/* Title matching "Service Center" in reference */
.hero-service-title {
  font-size: clamp(1.8rem, 5.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-title);
  margin-bottom: 20px;
  line-height: 1.2;
}

/* Two Stacked Full-Width Buttons (Blue Call + Green WhatsApp) */
.hero-cta-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 440px;
  margin: 0 auto 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: all 0.15s ease;
  border: none;
  width: 100%;
}

.btn:active {
  transform: translateY(1px);
}

/* Blue CALL Button */
.btn-call-primary {
  background-color: var(--cta-blue);
  color: #ffffff !important;
  box-shadow: 0 4px 10px rgba(29, 98, 139, 0.28);
  letter-spacing: 0.3px;
}

.btn-call-primary:hover {
  background-color: var(--cta-blue-hover);
  box-shadow: 0 6px 14px rgba(29, 98, 139, 0.35);
}

/* Green WhatsApp Button */
.btn-whatsapp-action {
  background-color: var(--cta-green);
  color: #ffffff !important;
  box-shadow: 0 4px 10px rgba(72, 168, 83, 0.28);
}

.btn-whatsapp-action:hover {
  background-color: var(--cta-green-hover);
  box-shadow: 0 6px 14px rgba(72, 168, 83, 0.35);
}

/* Supporting Paragraph */
.hero-supporting-text {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.6;
  max-width: var(--max-text);
  margin: 0 auto 20px;
}

/* 24/7 Assistance Callout */
.hero-assistance-callout {
  font-size: clamp(1.05rem, 3.2vw, 1.25rem);
  font-weight: 700;
  color: var(--text-callout);
  margin-bottom: 18px;
}

/* Trademark / Disclaimer Note */
.hero-trademark-note {
  font-size: 0.74rem;
  color: var(--text-muted);
  line-height: 1.55;
  max-width: var(--max-text);
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Common Section Styles (Minimal & Clean)
   -------------------------------------------------------------------------- */
.section {
  padding: 36px 0;
  border-top: 1px solid var(--border-light);
}

@media (min-width: 768px) {
  .section {
    padding: 44px 0;
  }
}

.section-header {
  text-align: center;
  margin-bottom: 22px;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--cta-blue);
  background: #f0f7fb;
  border: 1px solid #d0e4f2;
  padding: 3px 9px;
  border-radius: var(--radius-xs);
  margin-bottom: 6px;
}

.section-title {
  font-size: clamp(1.25rem, 3.8vw, 1.75rem);
  font-weight: 800;
  color: var(--text-title);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 0.88rem;
  color: var(--text-body);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   2. Key Service Highlights
   -------------------------------------------------------------------------- */
.section-highlights {
  background: var(--bg-subtle);
}

.highlights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 640px) {
  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .highlights-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.highlight-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  transition: all 0.15s ease;
}

.highlight-card:hover {
  border-color: #bdd6ea;
  box-shadow: 0 4px 8px rgba(15, 23, 42, 0.06);
}

.highlight-icon-wrap {
  width: 38px;
  height: 38px;
  background: #f0f7fb;
  border: 1px solid #d0e4f2;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cta-blue);
  margin-bottom: 12px;
}

.highlight-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 6px;
}

.highlight-desc {
  font-size: 0.82rem;
  color: var(--text-body);
  line-height: 1.5;
  margin-bottom: 12px;
  flex-grow: 1;
}

.highlight-solution {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--cta-blue);
  background: #f0f7fb;
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid #d0e4f2;
}

/* --------------------------------------------------------------------------
   3. Repair Services
   -------------------------------------------------------------------------- */
.section-services {
  background: #ffffff;
}

.services-compact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 640px) {
  .services-compact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .services-compact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-item {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 16px;
  display: flex;
  flex-direction: column;
  transition: all 0.15s ease;
}

.service-item:hover {
  border-color: #bdd6ea;
  background: #ffffff;
  box-shadow: 0 4px 8px rgba(15, 23, 42, 0.06);
}

.service-item-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.service-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--cta-blue);
  background: #f0f7fb;
  border: 1px solid #d0e4f2;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  flex-shrink: 0;
}

.service-name {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.3;
}

.service-desc {
  font-size: 0.82rem;
  color: var(--text-body);
  line-height: 1.5;
  margin-bottom: 12px;
  flex-grow: 1;
}

.service-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-light);
  padding-top: 8px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-muted);
}

.service-call-link {
  color: var(--cta-blue) !important;
  font-weight: 700;
}

.service-call-link:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   4. How It Works (3 Steps)
   -------------------------------------------------------------------------- */
.section-process {
  background: var(--bg-subtle);
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

.process-step {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  text-align: center;
}

.step-badge {
  width: 32px;
  height: 32px;
  background: var(--cta-blue);
  color: #ffffff;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.92rem;
  margin: 0 auto 10px;
}

.step-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 6px;
}

.step-desc {
  font-size: 0.82rem;
  color: var(--text-body);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   5. FAQs
   -------------------------------------------------------------------------- */
.section-faqs {
  background: #ffffff;
}

.faq-accordion-wrap {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-corporate-item {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease;
}

.faq-corporate-item.active {
  border-color: #bdd6ea;
}

.faq-btn-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-title);
  outline: none;
}

.faq-icon-indicator {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--cta-blue);
  margin-left: 10px;
  flex-shrink: 0;
  line-height: 1;
}

.faq-answer-panel {
  display: none;
  padding: 0 16px 14px 16px;
  font-size: 0.84rem;
  color: var(--text-body);
  line-height: 1.55;
}

.faq-corporate-item.active .faq-answer-panel {
  display: block;
}

/* --------------------------------------------------------------------------
   6. Final Contact Section
   -------------------------------------------------------------------------- */
.section-cta {
  background: var(--bg-subtle);
  text-align: center;
}

.cta-container {
  max-width: 540px;
}

.cta-heading {
  font-size: clamp(1.25rem, 3.8vw, 1.7rem);
  font-weight: 800;
  color: var(--text-title);
  margin-bottom: 8px;
  line-height: 1.25;
}

.cta-text {
  font-size: 0.88rem;
  color: var(--text-body);
  margin-bottom: 18px;
  line-height: 1.5;
}

.btn-cta-large {
  padding: 14px 24px;
  font-size: 1.05rem;
  margin-bottom: 14px;
}

.cta-meta-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 18px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Corporate Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #0f172a;
  color: #94a3b8;
  padding: 32px 0 20px;
  font-size: 0.8rem;
}

.footer-disclaimer-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin-bottom: 24px;
}

.disclaimer-heading {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #ffffff;
  margin-bottom: 6px;
}

.disclaimer-text {
  font-size: 0.74rem;
  line-height: 1.55;
  color: #cbd5e1;
  margin-bottom: 12px;
}

.footer-cred-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  font-size: 0.74rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 10px;
}

@media (min-width: 640px) {
  .footer-cred-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.footer-cred-grid strong {
  color: #ffffff;
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

@media (min-width: 640px) {
  .footer-nav-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
}

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #ffffff;
  margin-bottom: 10px;
}

.footer-col-desc {
  font-size: 0.76rem;
  line-height: 1.5;
  color: #94a3b8;
  margin-bottom: 8px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 6px;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.76rem;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.72rem;
  color: #64748b;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-bottom-links a {
  color: #94a3b8;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Mobile Sticky Bottom Call Bar (Green matching reference screenshot)
   -------------------------------------------------------------------------- */
.mobile-sticky-bar {
  display: block;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--sticky-green);
  z-index: 999;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.15);
}

@media (min-width: 768px) {
  .mobile-sticky-bar {
    display: none;
  }
}

.mobile-sticky-inner {
  width: 100%;
}

.btn-mobile-call-green {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-color: var(--sticky-green);
  color: #ffffff !important;
  font-size: 1.08rem;
  font-weight: 800;
  padding: 13px 16px;
  width: 100%;
  text-decoration: none;
}

.btn-mobile-call-green:active {
  background-color: var(--sticky-green-hover);
}